In recent years, U. S. liquefied natural gas (LNG) export capacity has gained momentum and exerted significant influence on global natural gas market. With the deepening Sino-US cooperation in LNG sector, based on the U. S. LNG export potential, this paper studies and sorts out the main procedures of the U. S. LNG exports, conducts comparative analysis on the competitiveness of and investigates the potential impact of U. S. LNG exports on global markets, grasps the latest trends of the U. S. natural gas market and U. S. LNG exports dynamics, with a view to providing references for China LNG imports.